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(11)

EP 2 401 803 A2

(12)

(88) Date of publication A3: 02.12.2010 (43) Date of publication: 04.01.2012 Bulletin 2012/01 (21) Application number: 10746611.2 (22) Date of filing: 03.02.2010

(51) International Patent Classification (IPC):  H02K 17/16(2006.01) H02K 17/08(2006.01) H02K 17/18(2006.01) H02K 3/28(2006.01) (86) International application number: PCT/US2010/022958 (87) International publication number: WO 2010/098947 (02.09.2010 Gazette 2010/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 25.02.2009 US 392404 (71) Applicant: Emerson Electric Co. St. Louis, MO 63136 (US)	(72) Inventor: FAKONAS, Anastassios, B. St. Louis MO 63136 (US) (74) Representative: Bryn-Jacobsen, Caelia et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)